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前端:html实现页面切换、顶部标签栏,类似于浏览器的顶部标签栏(完整版)

效果

image preview代码

<!DOCTYPE html>
<html>

  <head>
    <style>
    /* 左侧超链接列表 */
    .link {
      display: block;
      padding: 8px;
      background-color: #f2f2f2;
      cursor: pointer;
    }

    /* 顶部标签栏 */
    #tabsContainer {
      width:98%;
      display: flex;
      align-items: center;
      overflow-x: auto; /* 添加横向滚动 */
      white-space: nowrap; /* 防止标签换行 */
    }
    #tabsContainer::-webkit-scrollbar {
      display: none; /* 隐藏Webkit浏览器的滚动条 */
    }
    /* 关闭按钮的宽度 */
    .line2{
      width:2%;
    }
    #all_close{
      cursor: pointer;
      display: none;
    }
    .tab_position:hover #all_close {
      display: block;
    }
    .tab_position {
            display: flex;
            align-items: center;/*垂直居中*/
        }
    .tab {
      display: flex;
      align-items: center;
      background-color: #f2f2f2;
      cursor: pointer;
      position: relative;
      margin-right: 10px;
      border-radius: 3px;
    }

    /* 标签标题 */
    .tab .title {
      padding: 5px 15px 5px 15px;
      user-select: none; /* 禁止文字复制 */
    }

    /* 标签关闭按钮 */
    .tab .close-btn {
      font-size: 10px;
      font-weight: bold;
      cursor: pointer;
      padding: 5px 5px 5px 0;
      user-select: none; /* 禁止文字复制 */
    }

    .tab.active {
      background-color: #ccc;
    }

    /* 左侧内容 */
    #links {
      float: left;
      width: 200px;
      padding: 10px;
    }

    #tabs {
      padding: 10px;
    }
    /* 右侧 */
    #content {
      border: 1px solid #ccc;
      padding: 10px;
      overflow: auto;
    }
  </style>
  </head>

  <body>
    <div id="links">
      <!-- 在这里添加你的超链接 -->
      <a href="#" onclick="loadContent('page1.html', '这是我的超链接标题1,我要测试滚动条');
        return
        false;"
        class="link">超链接1</a>
      <a href="#" onclick="loadContent('page2.html', '这是我的超链接标题2,我要测试滚动条');
        return
        false;"
        class="link">超链接2</a>
      <a href="#" onclick="loadContent('page3.html', '这是我的超链接标题3,我要测试滚动条');
        return
        false;"
        class="link">超链接3</a>
      <a href="#" onclick="loadContent('page4.html', '这是我的超链接标题4,我要测试滚动条');
        return
        false;"
        class="link">超链接4</a>
      <a href="#" onclick="loadContent('page5.html', '这是我的超链接标题5,我要测试滚动条');
        return
        false;"
        class="link">超链接5</a>
      <a href="#" onclick="loadContent('page6.html', '这是我的超链接标题6,我要测试滚动条');
        return
        false;"
        class="link">超链接6</a>
      <a href="#" onclick="loadContent('page7.html', '这是我的超链接标题7,我要测试滚动条');
        return
        false;"
        class="link">超链接7</a>
      <a href="#" onclick="loadContent('page8.html', '这是我的超链接标题8,我要测试滚动条');
        return
        false;"
        class="link">超链接8</a>
      <a href="#" onclick="loadContent('page9.html', '这是我的超链接标题9,我要测试滚动条');
        return
        false;"
        class="link">超链接9</a>
    </div>
    <div class="tab_position">
      <div id="tabsContainer"></div>
      <div id="line2">
        <div id="all_close" onclick="all_close()">X</div>
      </div>
    </div>
    <div id="content"></div>
    <script>
    var tabsContainer = document.getElementById('tabsContainer');
    var contentContainer = document.getElementById('content');
    var activeTab = null;

    // 加载内容到右侧窗口
    function loadContent(url, tabName) {
      var existingTab = tabsContainer.querySelector('[data-url="' + url + '"]');
      if (existingTab) {
        setActiveTab(existingTab);
        return;
      }

      // 检查标签页数量是否已达上限
      var tabs = Array.from(tabsContainer.getElementsByClassName('tab'));
      if (tabs.length >= 7) {
        alert('已达到标签页数量上限');
        return;
      }

      // 隐藏当前页面内容
      if (activeTab) {
        activeTab.classList.remove('active');
        var activeUrl = activeTab.getAttribute('data-url');
        var activeContent = document.getElementById(activeUrl);
        activeContent.style.display = 'none';
      }

      // 显示新页面内容
      var content = document.getElementById(url);
      if (content) {
        content.style.display = 'block';
      } else {
        content = document.createElement('div');
        content.id = url;
        content.style.display = 'block';
        contentContainer.appendChild(content);

        var iframe = document.createElement('iframe');
        iframe.src = url;
        iframe.frameborder = '0';
        iframe.style.width = '100%';
        iframe.style.height = '100%';
        content.appendChild(iframe);
      }

      createTabAndSetActive(url, tabName);
    }

    function createTabAndSetActive(url, tabName) {
      // 如果标签已存在,则激活该标签
      var tab = tabsContainer.querySelector('[data-url="' + url + '"]');
      if (tab) {
        setActiveTab(tab);
        return;
      }

      // 创建新的标签
      tab = document.createElement('div');
      tab.className = 'tab';
      tab.setAttribute('data-url', url);

      var title = document.createElement('span');
      title.className = 'title';
      title.innerText = tabName;
      tab.appendChild(title);

      var closeBtn = document.createElement('span');
      closeBtn.innerText = 'X';
      closeBtn.className = 'close-btn';
      closeBtn.addEventListener('click', function (event) {
        event.stopPropagation();
        closeTab(tab);
      });
      tab.appendChild(closeBtn);

      // 点击标签页切换内容
      tab.addEventListener('click', function () {
        loadContent(url, tabName);
        setActiveTab(tab);
      });

      tabsContainer.appendChild(tab);
      setActiveTab(tab);
    }

    // 设置活动标签页样式
    function setActiveTab(tab) {
      var tabs = Array.from(tabsContainer.getElementsByClassName('tab'));
      tabs.forEach(function (t) {
        t.classList.remove('active');

        // 隐藏标签页对应的内容
        var tabUrl = t.getAttribute('data-url');
        var tabContent = document.getElementById(tabUrl);
        if (tabContent) {
          tabContent.style.display = 'none';
        }
      });

      tab.classList.add('active');
      activeTab = tab;

      // 显示当前标签页对应的内容
      var url = tab.getAttribute('data-url');
      var content = document.getElementById(url);
      if (content) {
        content.style.display = 'block';
      }
    }

    // 关闭标签页
    function closeTab(tab) {
      var isActiveTab = (tab === activeTab);
      var nextActiveTab = tab.previousElementSibling || tab.nextElementSibling;

      tab.parentNode.removeChild(tab);

      // 如果关闭的是活动标签页且还有其他标签页存在,则将页面锁定到下一个标签页
      if (isActiveTab && nextActiveTab) {
        setActiveTab(nextActiveTab);
        loadContent(nextActiveTab.getAttribute('data-url'), nextActiveTab.querySelector('.title').innerText);
      }

      // 如果关闭的是活动标签页且没有其他标签页存在,则清空内容和活动标签页
      if (isActiveTab && !nextActiveTab) {
        contentContainer.innerHTML = '';
        activeTab = null;
      }
      // 隐藏当前页面内容
      if (isActiveTab) {
        var activeUrl = tab.getAttribute('data-url');
        var activeContent = document.getElementById(activeUrl);
        activeContent.style.display = 'none';
      }
    }

    // 关闭全部未激活标签页
    function all_close() {     
      var confirmation = confirm('是否关闭全部标签页?'); // 显示确认和取消提示框
      if (confirmation) {
        var tabs = Array.from(tabsContainer.getElementsByClassName('tab'));
        tabs.forEach(function (tab) {
          if (!tab.classList.contains('active')) {
            closeTab(tab);
          }
        });
        // 清空内容、活动标签页和标签导航栏
        contentContainer.innerHTML = '';
        activeTab = null;
        tabsContainer.innerHTML = '';
      } else {
        console.log('取消')
      }       
    }
    

    var isMouseDown = false;
    var startX = 0;
    var scrollLeft = 0;

    tabsContainer.addEventListener('mousedown', function (e) {
      isMouseDown = true;
      startX = e.pageX - tabsContainer.offsetLeft;
      scrollLeft = tabsContainer.scrollLeft;
    });

    tabsContainer.addEventListener('mouseleave', function () {
      isMouseDown = false;
    });

    tabsContainer.addEventListener('mouseup', function () {
      isMouseDown = false;
    });

    tabsContainer.addEventListener('mousemove', function (e) {
      if (!isMouseDown) return;
      e.preventDefault();
      var x = e.pageX - tabsContainer.offsetLeft;
      var walk = (x - startX) * 2; // 调整滚动速度
      tabsContainer.scrollLeft = scrollLeft - walk;
    });
  </script>
  </body>

</html>
标签: 前端 html javascript

本文转载自: https://blog.csdn.net/weixin_46001736/article/details/132559742
版权归原作者 雯0609~ 所有, 如有侵权,请联系我们删除。

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